Unlimited Fafnir Episode 12 English Subbed Episode Title:Unlimited Fafnir.Episode Description:Yuu fights against Kili in order to rescue Tear. Although he is at first outmatched, he manages to turn the tables and almost kills Kili. However, he decides to spare her, stating that he thinks of her as a human, not a Dragon. Surprised by this, Kili decides to retreat after asking Yuu to show her that he is a greater man than Basilisk and kisses him on the cheek. The next day, the Counter-Dragon Squad begins its operation against Basilisk after being briefed by Mitsuki. Although Mistilteinn is destroyed, the Counter-Dragon Squad succeeds in destroying Basilisk with consecutive attacks. Following the Dragon's demise, Lisa forgives Mitsuki as she promised. In the aftermath of the operation, Brynhildr Class returns to Midgard. While discussing with Mitsuki, Yuu realizes that he has forgotten that Mitsuki is not his sister by blood after she declares that she won't give up on him. Later on, Yuu meets with Iris in the beach and reveals to her the deal he made with 'Green' Yggdrasil and his memory loss. In response, Iris promises that she will always stay with Yuu and that she will remember all of his memories for him.